Senior Technical Specialist

As a Senior Technical Specialist at Nokia, you will contribute to the continuous evolution of our product by developing new features, improving performance, and ensuring long-term code quality across backend and frontend layers. Working in a complex, high-impact environment, you will apply modern software engineering practices to enhance and extend an established platform that serves critical business functions. You will collaborate closely with cross-functional teams in an Agile setup, owning full-cycle development activities from requirement understanding and design to implementation, testing, and delivery. You will be responsible for delivering high-quality, secure, and maintainable code across the full software development. In this role, you will drive innovation, implement best practices, and contribute to a codebase that is actively growing in capability and relevance.

You have:

• 8+ years of experience developing Java-based enterprise applications which works in Agile/Scrum models
• Strong hands-on skills in Java (17), Spring, and Hibernate
• Experience in building user interfaces using Apache Wicket, HTML, CSS, and JavaScript
• A solid foundation in REST API consumption and service design
• Experience with unit and integration testing using JUnit, Cucumber, or similar tools
• Proficiency with relational databases like MariaDB/MySQL
• Familiarity with CI/CD tools such as Jenkins, and version control with Git/Gerrit

It would be nice if you also had:

• Experience with Python or Shell scripting for developer tooling or automation
• Awareness or interest in Large Language Models (LLMs), Spring AI, or Langchain4j
• Familiarity with Docker, Kubernetes, and cloud environments such as AWS, GCP, or Azure
• Understanding of Fixed Access (DSL/PON) technologies is a plus
• Design, implement, and enhance features within an established application framework using Java(17), Spring, and Hibernate.
• Contribute to both backend logic and user interface layers, building feature-rich UIs using Apache Wicket, with layout and styling through HTML, CSS and JavaScript, while integrating with backend services and relational databases.
• Build integrations and improvements over existing APIs and services, ensuring backward compatibility and clean extensibility.
• Write unit, integration, and functional tests to validate feature behavior and ensure regression-free deliveries.
• Participate in Agile development cycles, owning deliverables end-to-end and collaborating with stakeholders for clarity and feedback.
• Work with tools like Git, Gerrit, Jenkins, and SonarQube to maintain quality, traceability, and deployment readiness.
• Analyze and optimize interactions with relational databases like MariaDB/MySQL to ensure efficiency at scale.
• Stay current with evolving frameworks and selectively introduce improvements such as cloud-native practices or AI-enhanced features where relevant.